Density and Stability in Ultracold Dilute Boson-Fermion Mixtures

Details Density and Stability in Ultracold Dilute Boson-Fermion Mixtures Density and Stability in Ultracold Dilute Boson-Fermion Mixtures

2007-03-08

arxiv.org/abs/cond-mat/0703220v2

European Physical Journal B 59, 343 (2007)

Physics

Condensed Matter

Statistical Mechanics

Author Information under http://www.theo-phys.uni-essen.de/tp/ags/pelster_dir/

Scientific paper

10.1140/epjb/e2007-00288-x

We analyze in detail recent experiments on ultracold dilute 87Rb-40K mixtures in Hamburg and in Florence within a mean-field theory. To this end we determine how the stationary bosonic and fermionic density profiles in this mixture depend in the Thomas-Fermi limit on the respective particle numbers. Furthermore, we investigate how the observed stability of the Bose-Fermi mixture with respect to collapse is crucially related to the value of the interspecies s-wave scattering length.

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